25553125

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 37403856

約数和(自身を除く): 11850731

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 125, 185, 221, 325, 425, 481, 625, 629, 925, 1105, 1625, 2125, 2405, 3125, 3145, 4625, 5525, 8125, 8177, 10625, 12025, 15725, 23125, 27625, 40625, 40885, 53125, 60125, 78625, 115625, 138125, 204425, 300625, 393125, 690625, 1022125, 1503125, 1965625, 5110625, 25553125]

約数ペア:

[(1, 25553125), (5, 5110625), (13, 1965625), (17, 1503125), (25, 1022125), (37, 690625), (65, 393125), (85, 300625), (125, 204425), (185, 138125), (221, 115625), (325, 78625), (425, 60125), (481, 53125), (625, 40885), (629, 40625), (925, 27625), (1105, 23125), (1625, 15725), (2125, 12025), (2405, 10625), (3125, 8177), (3145, 8125), (4625, 5525)]